21234745

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6007}}^1$

素因数の和:6120

約数の個数: 16

約数和(自身を含む): 29415168

約数和(自身を除く): 8180423

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 6007, 30035, 42049, 210245, 606707, 3033535, 4246949, 21234745]

約数ペア:

[(1, 21234745), (5, 4246949), (7, 3033535), (35, 606707), (101, 210245), (505, 42049), (707, 30035), (3535, 6007)]